Acousticon? B Carbon Hearing Aid Battery
Whether this in a genuine Acousticon B battery, or is a no-name brand
that works with specific Acousticon carbon hearing aids is unknown.
However, this battery was used with Acousticon carbon hearing aids
beginning in 1910.
It measured 3 1/16" by 2⅝" by 1⅜" (7.7 x 6.8 x
3.5
cm) and
weighed 7.3 oz. (208 g). It was composed of two carbon-zinc cells and delivered 3
volts.
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Front view of the Acousticon? B battery. This battery is wrapped in a
plain black wrapper.
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Top view of the Acousticon? B battery showing the jacks for the
microphone cords.
The jacks are set ˝" (1.2 cm) apart.
Note the "B" in the bottom right corner. This is the only identifying
mark on this battery.
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Side view of the Acousticon? B battery.
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Bottom view of the Acousticon? B battery.
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